/* ============================================================
   GONGXIAO WANJIA LIMITED — Radio & Telecom Equipment Trading
   Design tokens & global styles
   Mood board: light airy lavender-grey, ink typography,
   black pill buttons, white rounded cards (reference: LuxFly)
   ============================================================ */

:root{
  /* Palette */
  --bg:        #E8EAF2;
  --bg-2:      #F3F4F9;
  --surface:   #FFFFFF;
  --ink:       #0D1017;
  --ink-2:     #404653;
  --muted:     #7B8191;
  --line:      #D8DBE6;
  --line-2:    #E7E9F1;
  --tint:      #EDEFF6;
  --dark:      #0D1017;
  --dark-2:    #151A23;
  --dark-line: #262C38;
  --on-dark:   #F5F6FA;
  --on-dark-2: #9BA1B0;

  /* Shape & depth */
  --r-s: 12px;
  --r-m: 18px;
  --r-l: 28px;
  --r-xl: 36px;
  --pill: 999px;
  --shadow-s: 0 2px 12px rgba(13,16,23,.06);
  --shadow-m: 0 16px 44px rgba(13,16,23,.12);
  --shadow-l: 0 30px 80px rgba(13,16,23,.16);

  /* Type */
  --font-d: "Inter Tight", system-ui, sans-serif;
  --font-b: "Inter", system-ui, sans-serif;

  --container: 1200px;
  --header-h: 76px;
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  font-family:var(--font-b);
  font-size:16px; line-height:1.6;
  color:var(--ink); background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul,ol{ list-style:none; }
button,input,select,textarea{ font:inherit; color:inherit; }
button{ cursor:pointer; background:none; border:0; }
:target{ scroll-margin-top: calc(var(--header-h) + 20px); }

.container{ width:min(var(--container), 100% - 48px); margin-inline:auto; }

/* ---------- Typography ---------- */
h1,h2,h3,h4{ font-family:var(--font-d); font-weight:600; line-height:1.08; letter-spacing:-.03em; }
.display{ font-size:clamp(2.7rem, 6.4vw, 4.9rem); }
.h2{ font-size:clamp(2rem, 4.2vw, 3.15rem); }
.h3{ font-size:clamp(1.25rem, 2.2vw, 1.55rem); letter-spacing:-.02em; }
.dim{ color:var(--muted); }
.lead{ font-size:clamp(1.02rem, 1.5vw, 1.15rem); color:var(--ink-2); }
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-size:.72rem; font-weight:600; letter-spacing:.22em; text-transform:uppercase;
  color:var(--ink-2);
}
.eyebrow::before{ content:""; width:26px; height:1.5px; background:var(--ink); }
.eyebrow--center::after{ content:""; width:26px; height:1.5px; background:var(--ink); }

/* ---------- Buttons & chips ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:15px 28px; border-radius:var(--pill);
  background:var(--ink); color:#fff;
  font-weight:600; font-size:.95rem; letter-spacing:.01em;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
  box-shadow:0 10px 26px rgba(13,16,23,.22);
}
.btn:hover{ transform:translateY(-2px); background:#1B2130; box-shadow:0 16px 34px rgba(13,16,23,.28); }
.btn i{ font-size:1.1rem; transition:transform .25s ease; }
.btn:hover i{ transform:translateX(3px); }
.btn--ghost{
  background:transparent; color:var(--ink);
  border:1.5px solid var(--ink); box-shadow:none;
}
.btn--ghost:hover{ background:var(--ink); color:#fff; }
.btn--light{ background:#fff; color:var(--ink); box-shadow:0 10px 26px rgba(0,0,0,.18); }
.btn--light:hover{ background:var(--bg-2); }
.btn--ghost-light{ background:transparent; color:#fff; border:1.5px solid rgba(255,255,255,.5); box-shadow:none; }
.btn--ghost-light:hover{ background:rgba(255,255,255,.12); border-color:#fff; }
.btn--sm{ padding:11px 20px; font-size:.88rem; }

.chip{
  display:inline-flex; align-items:center; gap:7px;
  padding:9px 16px; border-radius:var(--pill);
  background:var(--surface); border:1px solid var(--line);
  font-size:.85rem; font-weight:500; color:var(--ink-2);
  transition:border-color .2s ease, background .2s ease, color .2s ease;
}
.chip i{ font-size:1rem; }
a.chip:hover{ border-color:var(--ink); color:var(--ink); }
.chip--dark{ background:var(--ink); border-color:var(--ink); color:#fff; }

.link-arrow{
  display:inline-flex; align-items:center; gap:8px;
  font-weight:600; color:var(--ink); font-size:.95rem;
  border-bottom:1.5px solid transparent; transition:gap .2s ease, border-color .2s ease;
}
.link-arrow:hover{ gap:12px; border-color:var(--ink); }

/* ---------- Header ---------- */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  transition:background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.site-header.scrolled{
  background:rgba(243,244,249,.86);
  -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line-2), var(--shadow-s);
}
.nav{
  height:var(--header-h);
  display:flex; align-items:center; justify-content:space-between; gap:20px;
}
.brand{ display:flex; align-items:center; gap:11px; min-width:0; }
.brand .logo-mark{ width:38px; height:38px; flex:0 0 auto; }
.brand-name{
  font-family:var(--font-d); font-weight:650; font-size:1.06rem; letter-spacing:-.02em;
  line-height:1.05; white-space:nowrap;
}
.brand-name small{
  display:block; font-family:var(--font-b); font-weight:600;
  font-size:.56rem; letter-spacing:.30em; color:var(--muted); text-transform:uppercase;
}
.nav-links{ display:flex; align-items:center; gap:4px; }
.nav-links a{
  padding:9px 16px; border-radius:var(--pill);
  font-size:.93rem; font-weight:500; color:var(--ink-2);
  transition:color .2s ease, background .2s ease;
}
.nav-links a:hover{ color:var(--ink); background:rgba(255,255,255,.75); }
.nav-links a.active{ color:var(--ink); background:var(--surface); box-shadow:var(--shadow-s); font-weight:600; }
.nav-cta{ display:flex; align-items:center; gap:12px; }
.burger{
  display:none; width:46px; height:46px; border-radius:var(--pill);
  background:var(--surface); box-shadow:var(--shadow-s);
  align-items:center; justify-content:center; font-size:1.35rem;
}
.burger i{ pointer-events:none; }

/* Mobile panel */
.mobile-panel{
  display:none; position:fixed; z-index:99;
  top:var(--header-h); left:0; right:0;
  background:var(--bg-2);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-m);
  padding:14px 24px 26px;
}
.mobile-panel.open{ display:block; }
.mobile-panel a{
  display:flex; align-items:center; justify-content:space-between;
  padding:15px 6px; font-family:var(--font-d); font-size:1.15rem; font-weight:600;
  border-bottom:1px solid var(--line-2); color:var(--ink);
}
.mobile-panel a.active{ color:var(--ink); }
.mobile-panel a.active::after{ content:"●"; font-size:.55rem; }
.mobile-panel .btn{ margin-top:18px; width:100%; justify-content:center; }

/* ---------- Hero ---------- */
.hero{
  position:relative; overflow:hidden;
  padding:calc(var(--header-h) + clamp(48px, 8vh, 90px)) 0 clamp(56px, 9vh, 110px);
  min-height:92vh;
  display:flex; align-items:center;
  background:
    radial-gradient(58% 46% at 50% 0%, rgba(255,255,255,.95) 0%, rgba(255,255,255,0) 70%),
    radial-gradient(42% 36% at 12% 34%, rgba(255,255,255,.7) 0%, rgba(255,255,255,0) 70%),
    radial-gradient(46% 38% at 88% 30%, rgba(255,255,255,.72) 0%, rgba(255,255,255,0) 70%),
    linear-gradient(180deg, #DFE2EE 0%, var(--bg) 58%, #E4E7F0 100%);
}
.hero-ghost{
  position:absolute; left:50%; bottom:-.14em; transform:translateX(-50%);
  font-family:var(--font-d); font-weight:700; letter-spacing:-.04em;
  font-size:clamp(6rem, 22vw, 19rem); line-height:1; white-space:nowrap;
  color:transparent; -webkit-text-stroke:1.5px rgba(13,16,23,.07);
  user-select:none; pointer-events:none;
}
.hero-arcs{
  position:absolute; left:50%; top:46%; transform:translate(-50%,-50%);
  width:min(1150px, 130vw); aspect-ratio:2/1; pointer-events:none; opacity:.5;
}
.hero-inner{ position:relative; width:100%; text-align:center; z-index:2; }
.hero .eyebrow{ justify-content:center; margin-bottom:22px; }
.hero h1{ margin-inline:auto; max-width:13ch; }
.hero .lead{ max-width:56ch; margin:22px auto 0; }
.hero-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-top:34px; }

.hero-card{
  position:absolute; z-index:3; width:176px;
  background:var(--surface); border-radius:var(--r-m); padding:9px;
  box-shadow:var(--shadow-m);
  transform:rotate(var(--tilt, -3deg));
}
.hero-card img{ width:100%; height:104px; object-fit:cover; border-radius:calc(var(--r-m) - 6px); }
.hero-card span{
  display:flex; align-items:center; gap:6px;
  padding:9px 7px 4px; font-size:.8rem; font-weight:600; color:var(--ink-2);
}
.hero-card span i{ font-size:1rem; }
.hero-card--1{ left:5%;  top:19%;  --tilt:-5deg; }
.hero-card--2{ left:10%; bottom:26%; --tilt:3deg; }
.hero-card--3{ right:5%; top:21%;  --tilt:4deg; }
.hero-card--4{ right:9%; bottom:24%; --tilt:-3deg; }

.hero-foot{
  position:absolute; z-index:4; left:0; right:0; bottom:26px;
  display:flex; align-items:flex-end; justify-content:space-between; gap:18px;
}
.hero-trust{ display:flex; align-items:center; gap:12px; text-align:left; }
.avatar-stack{ display:flex; }
.avatar-stack span{
  width:38px; height:38px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:.72rem; font-weight:700; color:#fff;
  border:2.5px solid var(--bg); margin-left:-10px;
}
.avatar-stack span:first-child{ margin-left:0; }
.av-1{ background:#3E4757; } .av-2{ background:#6A7385; } .av-3{ background:#20262F; }
.hero-trust p{ font-size:.83rem; line-height:1.4; color:var(--ink-2); }
.hero-trust strong{ display:block; color:var(--ink); }
.hero-scroll{
  width:58px; height:58px; border-radius:50%;
  background:var(--ink); color:#fff; font-size:1.35rem;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 12px 30px rgba(13,16,23,.3);
  transition:transform .25s ease;
  margin:clamp(36px, 6vh, 60px) auto 0;
}
.hero-scroll:hover{ transform:translateY(4px); }
.hero-tags{ display:flex; gap:8px; flex-wrap:wrap; justify-content:flex-end; }

/* ---------- Sections (generic) ---------- */
.section{ padding:clamp(64px, 9vw, 112px) 0; }
.section--alt{ background:var(--bg-2); }
.section-head{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:28px; margin-bottom:clamp(34px, 5vw, 56px);
}
.section-head .h2{ max-width:22ch; margin-top:14px; }
.section-head-side{ display:flex; flex-direction:column; align-items:flex-end; gap:16px; flex:0 0 auto; }
.section-head--center{ flex-direction:column; align-items:center; text-align:center; }
.section-head--center .h2{ max-width:26ch; }

/* ---------- Category cards grid ---------- */
.cat-grid{
  display:grid; grid-template-columns:repeat(4, 1fr); gap:18px;
}
.cat-card{
  position:relative; border-radius:var(--r-m); overflow:hidden;
  aspect-ratio:3 / 3.75; background:var(--dark-2);
  box-shadow:var(--shadow-s);
  transition:transform .3s ease, box-shadow .3s ease;
  display:block;
}
.cat-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-m); }
.cat-card img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  transition:transform .6s ease; opacity:.92;
}
.cat-card:hover img{ transform:scale(1.06); }
.cat-card::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(10,12,18,.18) 0%, rgba(10,12,18,0) 34%, rgba(10,12,18,.82) 100%);
}
.cat-chip{
  position:absolute; z-index:2; top:12px; left:12px;
  display:inline-flex; align-items:center; gap:6px;
  padding:7px 13px; border-radius:var(--pill);
  background:rgba(255,255,255,.92); color:var(--ink);
  font-size:.74rem; font-weight:600;
}
.cat-body{
  position:absolute; z-index:2; inset:auto 0 0 0; padding:18px;
  color:#fff;
}
.cat-body h3{ font-size:1.18rem; letter-spacing:-.02em; margin-bottom:6px; }
.cat-body p{ font-size:.83rem; line-height:1.45; color:rgba(255,255,255,.82); }
.cat-body .cat-go{
  margin-top:12px; display:inline-flex; align-items:center; gap:7px;
  font-size:.8rem; font-weight:600; color:#fff; opacity:.9;
}
/* Image fallback (broken photo → branded gradient) */
.media-fb{ position:relative; }
.media-fb::before{
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(90% 90% at 15% 100%, rgba(255,255,255,.14) 0%, transparent 60%),
    linear-gradient(150deg, #2A3140 0%, #12151D 100%);
}
.media-fb .fb-ico{
  font-size:2.2rem; color:rgba(255,255,255,.35);
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
}

/* ---------- RFQ quick bar ---------- */
.rfq{ margin-top:clamp(40px, 6vw, 64px); }
.rfq-bar{
  display:grid; grid-template-columns:1.2fr 1fr 1fr auto; gap:10px;
  background:var(--surface); border-radius:26px; padding:12px;
  box-shadow:var(--shadow-m);
}
.rfq-field{
  display:flex; flex-direction:column; gap:2px;
  padding:10px 18px; border-radius:var(--r-m);
  border:1px solid var(--line-2); background:var(--bg-2);
}
.rfq-field label{
  font-size:.68rem; font-weight:600; letter-spacing:.14em; text-transform:uppercase;
  color:var(--muted);
}
.rfq-field select{
  border:0; background:transparent; outline:none;
  font-weight:600; font-size:.95rem; color:var(--ink);
  appearance:none; -webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%230D1017' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 2px center;
  padding-right:24px;
}
.rfq-bar .btn{ align-self:stretch; justify-content:center; border-radius:var(--r-m); }

/* ---------- Stats ---------- */
.stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(22px, 4vw, 48px); }
.stat{ border-top:1.5px solid var(--ink); padding-top:24px; }
.stat b{
  font-family:var(--font-d); font-weight:600; letter-spacing:-.035em;
  font-size:clamp(3rem, 5.6vw, 4.8rem); line-height:1; display:block; white-space:nowrap;
}
.stat b span{ font:inherit; letter-spacing:inherit; }
.stat > span{ display:block; margin-top:12px; font-size:.9rem; color:var(--muted); max-width:22ch; }

/* ---------- Split (about preview) ---------- */
.split{ display:grid; grid-template-columns:1.05fr 1fr; gap:clamp(32px, 6vw, 80px); align-items:center; }
.split-media{ position:relative; }
.split-media .photo-main{
  width:100%; aspect-ratio:4/4.4; object-fit:cover; border-radius:var(--r-l);
  box-shadow:var(--shadow-m);
}
.photo-main-wrap{ border-radius:var(--r-l); overflow:hidden; }
.photo-float{
  position:absolute; right:-26px; bottom:-30px; width:46%;
  border-radius:var(--r-m); overflow:hidden;
  border:8px solid var(--bg); box-shadow:var(--shadow-m);
}
.photo-float img{ width:100%; aspect-ratio:1.15/1; object-fit:cover; }
.badge-float{
  position:absolute; left:-18px; top:26px;
  background:var(--surface); border-radius:var(--r-m); padding:14px 18px;
  box-shadow:var(--shadow-m);
  display:flex; align-items:center; gap:12px;
}
.badge-float i{
  width:42px; height:42px; border-radius:12px; background:var(--ink); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:1.25rem;
}
.badge-float b{ font-family:var(--font-d); font-size:1.15rem; letter-spacing:-.02em; display:block; line-height:1.1; }
.badge-float small{ color:var(--muted); font-size:.76rem; }
.split-body .h2{ margin:14px 0 18px; }
.split-body > p{ color:var(--ink-2); max-width:52ch; }
.ticks{ margin:26px 0 30px; display:grid; gap:14px; }
.ticks li{ display:flex; gap:13px; align-items:flex-start; }
.ticks i{
  flex:0 0 auto; width:26px; height:26px; border-radius:50%;
  background:var(--ink); color:#fff; font-size:.85rem;
  display:flex; align-items:center; justify-content:center; margin-top:2px;
}
.ticks b{ display:block; font-weight:600; }
.ticks span{ font-size:.9rem; color:var(--muted); }

/* ---------- Process ---------- */
.process-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; counter-reset:step; }
.step{
  background:var(--surface); border-radius:var(--r-m); padding:28px 24px;
  box-shadow:var(--shadow-s); position:relative;
  transition:transform .3s ease, box-shadow .3s ease;
}
.step:hover{ transform:translateY(-6px); box-shadow:var(--shadow-m); }
.step-num{
  font-family:var(--font-d); font-weight:700; font-size:.8rem; letter-spacing:.1em;
  color:var(--muted);
}
.step i{
  display:flex; width:52px; height:52px; border-radius:14px;
  background:var(--tint); color:var(--ink); font-size:1.5rem;
  align-items:center; justify-content:center; margin:18px 0 16px;
}
.step h3{ font-size:1.12rem; margin-bottom:8px; }
.step p{ font-size:.89rem; color:var(--ink-2); }

/* ---------- Industries ---------- */
.ind-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }
.ind{
  display:flex; align-items:center; gap:13px;
  background:var(--surface); border:1px solid var(--line-2);
  border-radius:var(--r-m); padding:18px 20px;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.ind:hover{ transform:translateY(-4px); box-shadow:var(--shadow-s); border-color:var(--line); }
.ind i{
  flex:0 0 auto; width:44px; height:44px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  background:var(--tint); font-size:1.3rem;
}
.ind b{ font-size:.94rem; font-weight:600; display:block; line-height:1.25; }
.ind small{ color:var(--muted); font-size:.78rem; }

/* ---------- Testimonials ---------- */
.testi-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.testi{
  background:var(--surface); border-radius:var(--r-m); padding:30px 28px;
  box-shadow:var(--shadow-s); display:flex; flex-direction:column; gap:18px;
}
.testi-stars{ color:var(--ink); font-size:.95rem; letter-spacing:3px; }
.testi p{ color:var(--ink-2); font-size:.95rem; flex:1; }
.testi-author{ display:flex; align-items:center; gap:13px; }
.testi-author span{
  width:46px; height:46px; border-radius:50%; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-weight:700; font-size:.85rem;
}
.ta-1{ background:#3E4757; } .ta-2{ background:#20262F; } .ta-3{ background:#6A7385; }
.testi-author b{ display:block; font-size:.95rem; }
.testi-author small{ color:var(--muted); font-size:.8rem; }

/* ---------- FAQ ---------- */
.faq-wrap{ max-width:820px; margin-inline:auto; }
.faq{
  background:var(--surface); border-radius:var(--r-m);
  margin-bottom:12px; overflow:hidden; box-shadow:var(--shadow-s);
}
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  text-align:left; padding:22px 26px;
  font-family:var(--font-d); font-weight:600; font-size:1.05rem; letter-spacing:-.01em;
}
.faq-q i{ font-size:1.2rem; transition:transform .3s ease; flex:0 0 auto; }
.faq.open .faq-q i{ transform:rotate(180deg); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .35s ease; }
.faq-a p{ padding:0 26px 24px; color:var(--ink-2); font-size:.95rem; max-width:64ch; }

/* ---------- CTA banner ---------- */
.cta-banner{
  position:relative; overflow:hidden;
  background:var(--dark); color:var(--on-dark);
  border-radius:var(--r-xl); padding:clamp(48px, 7vw, 88px) clamp(28px, 6vw, 88px);
  text-align:center;
}
.cta-banner .h2{ max-width:22ch; margin:16px auto 18px; }
.cta-banner p{ color:var(--on-dark-2); max-width:52ch; margin-inline:auto; }
.cta-banner .eyebrow{ color:var(--on-dark-2); justify-content:center; }
.cta-banner .eyebrow::before, .cta-banner .eyebrow::after{ background:var(--on-dark-2); }
.cta-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-top:34px; }
.cta-arcs{ position:absolute; right:-120px; top:-140px; width:520px; opacity:.16; pointer-events:none; }
.cta-arcs--l{ right:auto; left:-140px; top:auto; bottom:-160px; transform:rotate(180deg); }

/* ---------- Contact / forms ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1.25fr; gap:clamp(30px, 5vw, 64px); align-items:start; }
.contact-info .h2{ margin:14px 0 16px; }
.contact-info > p{ color:var(--ink-2); max-width:44ch; }
.info-card{
  margin-top:26px; background:var(--surface); border-radius:var(--r-m);
  padding:24px 26px; box-shadow:var(--shadow-s);
  display:flex; gap:16px; align-items:flex-start;
}
.info-card i{
  flex:0 0 auto; width:46px; height:46px; border-radius:13px;
  background:var(--tint); display:flex; align-items:center; justify-content:center;
  font-size:1.3rem;
}
.info-card b{ display:block; font-family:var(--font-d); font-size:1.02rem; margin-bottom:4px; }
.info-card p, .info-card address{ font-style:normal; font-size:.9rem; color:var(--ink-2); line-height:1.55; }
.info-card small{ display:block; margin-top:8px; color:var(--muted); font-size:.78rem; }

.form-card{
  background:var(--surface); border-radius:var(--r-l);
  padding:clamp(26px, 4vw, 44px); box-shadow:var(--shadow-m);
}
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field{ display:flex; flex-direction:column; gap:7px; }
.field--full{ grid-column:1 / -1; }
.field label{ font-size:.82rem; font-weight:600; color:var(--ink-2); }
.field label em{ font-style:normal; color:#C4453B; }
.field input, .field select, .field textarea{
  border:1.5px solid var(--line); border-radius:13px;
  padding:13px 16px; background:var(--bg-2);
  font-size:.95rem; outline:none; width:100%;
  transition:border-color .2s ease, background .2s ease;
}
.field textarea{ resize:vertical; min-height:120px; }
.field input:focus, .field select:focus, .field textarea:focus{ border-color:var(--ink); background:#fff; }
.field .err-msg{ display:none; font-size:.76rem; color:#C4453B; }
.field.invalid input, .field.invalid select, .field.invalid textarea{ border-color:#C4453B; }
.field.invalid .err-msg{ display:block; }
.form-foot{ margin-top:22px; display:flex; align-items:center; justify-content:space-between; gap:18px; flex-wrap:wrap; }
.form-foot small{ color:var(--muted); font-size:.78rem; max-width:34ch; }
.form-success{
  display:none; text-align:center; padding:34px 10px;
}
.form-success i{
  width:72px; height:72px; border-radius:50%; margin:0 auto 20px;
  background:var(--ink); color:#fff; font-size:2rem;
  display:flex; align-items:center; justify-content:center;
}
.form-success h3{ font-size:1.5rem; margin-bottom:10px; }
.form-success p{ color:var(--ink-2); max-width:40ch; margin-inline:auto; }
.js-form.sent form{ display:none; }
.js-form.sent .form-success{ display:block; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--dark); color:var(--on-dark); margin-top:clamp(64px, 9vw, 112px); }
.footer-top{
  display:grid; grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:clamp(28px, 4vw, 56px);
  padding:clamp(48px, 6vw, 76px) 0 clamp(34px, 4vw, 52px);
}
.footer-brand .brand-name{ color:#fff; }
.footer-brand .brand-name small{ color:var(--on-dark-2); }
.footer-brand p{ margin-top:16px; color:var(--on-dark-2); font-size:.9rem; max-width:34ch; }
.footer-col h4{
  font-size:.74rem; font-weight:600; letter-spacing:.2em; text-transform:uppercase;
  color:var(--on-dark-2); margin-bottom:18px;
}
.footer-col a, .footer-col address{
  display:block; padding:6px 0; color:#D4D7DF; font-size:.92rem; font-style:normal;
  transition:color .2s ease;
}
.footer-col a:hover{ color:#fff; }
.footer-col address{ line-height:1.7; }
.footer-note{ margin-top:12px; color:var(--on-dark-2); font-size:.8rem; }
.footer-bottom{
  border-top:1px solid var(--dark-line);
  padding:22px 0 26px;
  display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap;
  color:var(--on-dark-2); font-size:.82rem;
}
.footer-bottom a{ color:#D4D7DF; }
.footer-bottom a:hover{ color:#fff; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  position:relative; overflow:hidden;
  padding:calc(var(--header-h) + clamp(46px, 7vh, 80px)) 0 clamp(44px, 6vh, 72px);
  background:
    radial-gradient(55% 60% at 50% 0%, rgba(255,255,255,.9) 0%, rgba(255,255,255,0) 70%),
    linear-gradient(180deg, #DFE2EE 0%, var(--bg) 100%);
  text-align:center;
}
.page-hero .eyebrow{ justify-content:center; }
.page-hero h1{ font-size:clamp(2.4rem, 5.6vw, 4rem); margin:16px auto 18px; max-width:18ch; letter-spacing:-.03em; }
.page-hero .lead{ max-width:58ch; margin-inline:auto; }
.page-hero-chips{ display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin-top:30px; }
.crumbs{
  display:flex; gap:8px; justify-content:center; align-items:center;
  font-size:.8rem; color:var(--muted); margin-bottom:18px;
}
.crumbs a:hover{ color:var(--ink); }
.crumbs i{ font-size:.8rem; }

/* ---------- Product detail rows ---------- */
.prod-row{
  display:grid; grid-template-columns:1fr 1.15fr; gap:clamp(28px, 5vw, 70px);
  align-items:center; padding:clamp(40px, 6vw, 72px) 0;
  border-bottom:1px solid var(--line);
}
.prod-row:last-of-type{ border-bottom:0; }
.prod-row--flip .prod-media{ order:2; }
.prod-media{ position:relative; border-radius:var(--r-l); overflow:hidden; box-shadow:var(--shadow-m); }
.prod-media img{ width:100%; aspect-ratio:4/3.1; object-fit:cover; }
.prod-media .cat-chip{ top:16px; left:16px; }
.prod-body .h3{ font-size:clamp(1.45rem, 2.6vw, 2rem); margin:12px 0 14px; }
.prod-body > p{ color:var(--ink-2); max-width:56ch; }
.prod-items{
  margin:22px 0 26px; display:grid; grid-template-columns:1fr 1fr; gap:9px 22px;
}
.prod-items li{
  display:flex; gap:9px; align-items:baseline; font-size:.9rem; color:var(--ink-2);
}
.prod-items li i{ font-size:.8rem; color:var(--ink); transform:translateY(1px); }
.prod-tags{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom:26px; }

/* ---------- Service cards ---------- */
.srv-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.srv{
  background:var(--surface); border-radius:var(--r-m); overflow:hidden;
  box-shadow:var(--shadow-s); display:flex; flex-direction:column;
  transition:transform .3s ease, box-shadow .3s ease;
}
.srv:hover{ transform:translateY(-6px); box-shadow:var(--shadow-m); }
.srv-media{ position:relative; }
.srv-media img{ width:100%; aspect-ratio:16/9.5; object-fit:cover; }
.srv-body{ padding:24px 24px 28px; display:flex; flex-direction:column; gap:10px; flex:1; }
.srv-body i.srv-ico{
  width:48px; height:48px; border-radius:13px; background:var(--tint);
  display:flex; align-items:center; justify-content:center; font-size:1.35rem;
  margin-top:-48px; position:relative; z-index:2;
  background:var(--surface); box-shadow:var(--shadow-s);
}
.srv-body h3{ font-size:1.18rem; }
.srv-body p{ font-size:.9rem; color:var(--ink-2); flex:1; }
.srv-list{ display:grid; gap:8px; margin-top:4px; }
.srv-list li{ display:flex; gap:9px; font-size:.86rem; color:var(--ink-2); align-items:baseline; }
.srv-list li i{ font-size:.78rem; color:var(--ink); }

/* ---------- Values / about ---------- */
.val-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.val{
  background:var(--surface); border-radius:var(--r-m); padding:28px 24px;
  box-shadow:var(--shadow-s);
}
.val i{
  width:50px; height:50px; border-radius:14px; background:var(--tint);
  display:flex; align-items:center; justify-content:center; font-size:1.4rem; margin-bottom:16px;
}
.val h3{ font-size:1.1rem; margin-bottom:8px; }
.val p{ font-size:.88rem; color:var(--ink-2); }

.detail-card{
  background:var(--surface); border-radius:var(--r-l); box-shadow:var(--shadow-m);
  padding:clamp(28px, 4vw, 46px);
}
.detail-card h3{ font-size:1.3rem; margin-bottom:20px; }
.detail-list{ display:grid; gap:0; }
.detail-list > div{
  display:grid; grid-template-columns:210px 1fr; gap:16px;
  padding:14px 0; border-bottom:1px solid var(--line-2); font-size:.93rem;
}
.detail-list > div:last-child{ border-bottom:0; }
.detail-list dt{ color:var(--muted); font-weight:500; }
.detail-list dd{ color:var(--ink); font-weight:500; }

/* ---------- Custom select (progressive enhancement over native <select>) ---------- */
.cselect{ position:relative; width:100%; }
.cselect.open{ z-index:80; }
.cselect-btn{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  width:100%; text-align:left; color:var(--ink);
  font-weight:600; font-size:.95rem; line-height:1.4;
}
.cselect-btn > span{
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.cselect-btn > i{
  flex:0 0 auto; font-size:1.05rem; color:var(--ink-2);
  transition:transform .25s ease;
}
.cselect.open .cselect-btn > i{ transform:rotate(180deg); }
/* variant: inside a form field — looks like an input */
.field .cselect-btn{
  border:1.5px solid var(--line); border-radius:13px;
  padding:13px 16px; background:var(--bg-2); font-weight:500; font-size:.95rem;
  transition:border-color .2s ease, background .2s ease;
}
.field .cselect.open .cselect-btn,
.field .cselect-btn:focus-visible{ border-color:var(--ink); background:#fff; outline:none; }
/* variant: inside the RFQ bar — bare */
.rfq-field .cselect-btn{ padding:0; }
.cselect-menu{
  position:absolute; top:calc(100% + 10px); left:0; right:0; z-index:70;
  background:var(--surface); border:1px solid var(--line-2); border-radius:16px;
  box-shadow:var(--shadow-m); padding:6px;
  max-height:272px; overflow:auto;
  opacity:0; transform:translateY(8px); pointer-events:none; visibility:hidden;
  transition:opacity .22s ease, transform .22s ease, visibility .22s;
}
.rfq-field .cselect-menu{ left:-19px; right:-19px; }
.cselect.open .cselect-menu{ opacity:1; transform:none; pointer-events:auto; visibility:visible; }
.cselect-opt{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:11px 13px; border-radius:10px; cursor:pointer;
  font-size:.9rem; font-weight:500; color:var(--ink-2);
  transition:background .15s ease, color .15s ease;
}
.cselect-opt:hover, .cselect-opt.hl{ background:var(--tint); color:var(--ink); }
.cselect-opt.sel{ color:var(--ink); font-weight:600; }
.cselect-opt.sel::after{
  content:"✓"; font-size:.85rem; font-weight:700; flex:0 0 auto;
}
.cselect-menu::-webkit-scrollbar{ width:8px; }
.cselect-menu::-webkit-scrollbar-thumb{ background:var(--line); border-radius:8px; }

/* ---------- Reveal animations (with safety fallback) ---------- */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .7s ease, transform .7s ease; transition-delay:var(--d, 0s); }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1199px){
  .hero-card{ display:none; }
}
@media (max-width: 1120px){
  .cat-grid{ grid-template-columns:repeat(2, 1fr); }
  .process-grid{ grid-template-columns:repeat(2,1fr); }
  .ind-grid{ grid-template-columns:repeat(2,1fr); }
  .val-grid{ grid-template-columns:repeat(2,1fr); }
  .srv-grid{ grid-template-columns:repeat(2,1fr); }
  .footer-top{ grid-template-columns:1fr 1fr; }
}
@media (max-width: 960px){
  .nav-links{ display:none; }
  .nav-cta .btn{ display:none; }
  .burger{ display:flex; }
  .hero{ display:block; min-height:auto; }
  .hero-card, .hero-ghost{ display:none; }
  .hero-foot{ position:static; margin-top:44px; flex-direction:column; align-items:center; gap:20px; }
  .hero-tags{ justify-content:center; max-width:none; }
  .hero-scroll{ display:none; }
  .split{ grid-template-columns:1fr; }
  .photo-float{ right:8px; bottom:-24px; }
  .badge-float{ left:8px; }
  .rfq-bar{ grid-template-columns:1fr 1fr; }
  .rfq-bar .btn{ grid-column:1 / -1; }
  .stats{ grid-template-columns:repeat(2,1fr); }
  .contact-grid{ grid-template-columns:1fr; }
  .prod-row{ grid-template-columns:1fr; }
  .prod-row--flip .prod-media{ order:0; }
  .section-head{ flex-direction:column; align-items:flex-start; }
  .section-head-side{ align-items:flex-start; }
  .section-head--center{ align-items:center; }
  .testi-grid{ grid-template-columns:1fr; }
}
@media (max-width: 560px){
  .container{ width:calc(100% - 36px); }
  .cat-grid{ grid-template-columns:1fr; }
  .cat-card{ aspect-ratio:4/4; }
  .process-grid{ grid-template-columns:1fr; }
  .ind-grid{ grid-template-columns:1fr; }
  .val-grid{ grid-template-columns:1fr; }
  .srv-grid{ grid-template-columns:1fr; }
  .rfq-bar{ grid-template-columns:1fr; }
  .stats{ grid-template-columns:1fr; gap:26px; }
  .form-grid{ grid-template-columns:1fr; }
  .prod-items{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns:1fr; gap:30px; }
  .detail-list > div{ grid-template-columns:1fr; gap:2px; }
  .brand-name{ font-size:.95rem; }
  .hero-actions .btn{ width:100%; justify-content:center; }
  .cta-actions .btn{ width:100%; justify-content:center; }
}